Optocouplers / Photocouplers

Optocouplers are a type of isolator that use a low-power optical signal to transmit one signal from one circuit to another independent circuit. Optocouplers are comprised of an infrared LED light source and an integrated photo detector which usually consists of a photodiode and detector circuit. This optical link or coupling provides electrical isolation between the two circuits which makes the trouble shooting and reliability of circuits more straightforward. These devices are often used to provide electrical isolation between digital signals on the same board, but they are also commonly used in medical and industrial instruments, motor control systems, and signal conditioning circuits. Optocouplers have very high input-to-output isolation voltage and low capacitance, which makes them suitable for signal transmission in high speed applications. Additionally, they manage the call back current of the circuit they are connecting, allowing them to protect against overloads.
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TLP170G(F)


Toshiba MOSFET Output Optocouplers Photorelay 0.1A 350V 1500 Vrms 35pF 1mA
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Toshiba 281
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AUD 1.5066
Multiples of: 1

HCPL-0600-000E


High Speed Optocouplers 10MBd 1Ch 5mA
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Broadcom 281
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AUD 2.1556
Multiples of: 1

AB37S


Optocoupler; SMD; Ch: 1; OUT: MOSFET; SOP4; 37; 60V
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MGT Brightek 280
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AUD 2.8956
Multiples of: 1

H11AV1SR2M


Transistor Output Optocouplers 0.4" Optocoupler Phototransistor
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ON Semiconductor 279
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AUD 0.3431
Multiples of: 1

CNY17-3


Transistor Output Optocouplers 100-200CTR 5000Vrms -55 to +110 Op Temp
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Everlight 278
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AUD 0.4044
Multiples of: 2

TLP5214A(E(O


Logic Output Opto-couplers
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Toshiba 278
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AUD 10.2222
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PC3H4AJ0001H


Sharp Microelectronics
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Sharp 276
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AUD 0.345
Multiples of: 5

SFH628A-2X016


Transistor Output Optocouplers Phototransistor Out AC-In CTR>63-200%
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Vishay 276
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AUD 0.9135
Multiples of: 1

TLP7820(TP4,E


Optically Isolated Amplifiers COUPLER ISOLATION AMPLIFIER
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Toshiba 276
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AUD 5.6726
Multiples of: 1

HCPL-4200-000E


Logic Output Opto-couplers 20mA Current Loop
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Broadcom 276
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AUD 7.3119
Multiples of: 1

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